Towards the large volume limit - A method for lattice QCD + QED simulations
Christoph Lehner, Taku Izubuchi
TL;DR
This paper introduces a novel method to couple finite-volume QCD with infinite-volume QED using twist-averaging, enabling more accurate simulations of electromagnetic effects in lattice QCD calculations.
Contribution
The paper proposes a new twist-averaging technique to couple finite-volume QCD with infinite-volume QED, improving the simulation of electromagnetic phenomena in lattice QCD.
Findings
Successfully demonstrated for muon anomalous magnetic moment
Accurately computed electromagnetic pion mass splitting
Validated the method numerically
Abstract
We present a method to couple finite-volume QCD to infinite-volume QED by an appropriate twist-averaging procedure. We demonstrate the prescription numerically for the leading-order hadronic contribution to the anomalous magnetic moment of the muon and the electro-magnetic pion mass splitting.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research